Utada (written: 宇多田) is a Japanese surname. Notable people with the surname include:Hikaru Utada, singer-songwriter who has also gone by the stage names of "Cubic U", "Utada Hikaru", and simply "Utada".Teruzane Utada, a record producer, father of Hikaru Utada.Junko Utada (1951 - 2013), singer and actress, mother of Hikaru Utada, who has gone by the stage name of "Keiko Fuji".Fictional characters:Susumu and Tsuyoshi Utada, from the anime Machine Robo Rescue